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capture: add simple mark support

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The goal here is to have an API that allows us to record things like
frame timing data. We might iterate on this API a bit, but this gets us
started.

A SpCaptureMark with a zero duration should be treated like an epoch mark
once a visualizer is created. SpCaptureMark with a non-zero duration should
be treated like a begin/end of operation. This may be useful in generating
something like a flame graph.
This commit is contained in:
Christian Hergert
2018-05-14 17:15:57 +01:00
parent e6d5d2b70d
commit 4bdbf130b2
8 changed files with 173 additions and 0 deletions
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lib/capture/sp-capture-reader.h
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@ -42,6 +42,7 @@ gboolean sp_capture_reader_peek_type (SpCapt
gboolean sp_capture_reader_peek_frame (SpCaptureReader *self,
SpCaptureFrame *frame);
const SpCaptureMap *sp_capture_reader_read_map (SpCaptureReader *self);
const SpCaptureMark *sp_capture_reader_read_mark (SpCaptureReader *self);
const SpCaptureExit *sp_capture_reader_read_exit (SpCaptureReader *self);
const SpCaptureFork *sp_capture_reader_read_fork (SpCaptureReader *self);
const SpCaptureTimestamp *sp_capture_reader_read_timestamp (SpCaptureReader *self);